I have performed an fft (fast fourier transform) on a time series waveform in Matlab, but I seem to have a weird wave actually in the fourier transform plot, although there are spikes this开发者_如何学
I know there is something wrong with the followin开发者_JAVA百科g reasoning but I\'m not sure what it is.
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I used made a fft to make a band pass filter. After that I made the ifft to inverse it and pass it to time domain.
I wanna make the Mel-Frequency Cepstrum Algorithm but there are some things that I don\'t understand.
I have an audio file and I am iterating through the file and taking 512 samples at each step and then passing them through an FFT.
Could anybody please tell me whether I can perform this integration with FFT in MATLAB? How? Please answer as soon as possible with the details.
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